Process and apparatus for controlling at least two...

G - Physics – 05 – D

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G05D 7/00 (2006.01) F17C 13/02 (2006.01) G05D 7/06 (2006.01)

Patent

CA 2249851

The invention concerns a process for regulating at least two production devices whose outlets are connected in parallel to produce a common outlet flow designed to supply a consumer facility. It regulates the common flow according to a predetermined set value (u) and includes steps consisting in: measuring at least one variable representative of the common outlet flow; determining for each device a control order corresponding to an operating state for the device among a finite series of predetermined operating states; and controlling the devices on the basis of the determined control orders. Two variables representative of the common outlet flow are measured and the control orders are determined by a fuzzy logic regulator. Application in the control of a series of compressors.

L'invention concerne un procédé de régulation d'au moins deux appareils de production dont les sorties sont reliées en parallèle pour produire un flux commun de sortie qui est destiné à alimenter une installation consommatrice. Il assure la régulation du flux commun en fonction d'une valeur de consigne prédéterminée (u) et comporte les étapes consistant à mesurer au moins une variable représentative du flux commun de sortie; déterminer, pour chaque appareil un ordre de commande correspondant à un état de fonctionnement de l'appareil parmi un ensemble fini d'états de fonctionnement prédéterminés; et commander les appareils à partir des ordres de commande déterminés. Deux variables représentatives du flux commun de sortie sont mesurées et les ordres de commande sont déterminés par un régulateur à logique floue. Application à la régulation d'un ensemble de compresseurs.

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